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9-6 Radical-7 Signal Extraction Pulse CO-Oximeter Operator’s Manual

Service / Maintenance

Testing with Masimo SET Tester (Optional):

1. Turn the Radical-7 off and then on again.

2. Connect the Masimo SET Tester to the Pulse CO-Oximeter Patient Cable Connector. Refer

to the Masimo SET Tester's Directions for Use for further instructions.

Nurse Call Test:

1. Disconnect the Red patient cable or the Masimo SET Tester from the Radical-7 and turn

the instrument on. Ensure that there are no audible alarms and that the audible alarms are

not silenced. Verify the nurse call polarity is set to normal (default).

2. Connect the common lead of a digital multi-meter to the pin 12 (Nurse Call - Common) of

the analog output connector on the Radical. Connect the positive lead of the multi-meter to

pin 6 (Nurse Call - Normally Open) of the analog output connector and measure that the

resistance is greater than 1 MW (open circuit).

3. Trigger an alarm on the monitor (e.g. by disconnecting a sensor after it was measuring

data) and verify that the resistance is less than 35 ohms.

Analog Output Test:

1. Disconnect all patient cables and sensors from the Radical-7. Turn the Radical-7 off and then

on again.

2. Connect the common lead of a digital voltmeter to the pin 2 (Ground) of the analog output

connector on the Radical-7. Connect the positive lead of the voltmeter to pin 9 (Analog 1) of

the analog output connector.

3. Enter the menu system and set the “Output”, “Analog 1” to “0V Signal”. Verify that the

voltmeter measures a voltage of approximately 0V.

4. Enter the menu system and set the “Output”, “Analog 1” to “1V Signal”. Verify that the

voltmeter measures a voltage of approximately 1.0V.

Repeat Steps 3 and 4, with the positive lead of the voltmeter connected to pin 15 (Analog 2).

6. Connect a patient cable and sensor and verify that the voltage on pins 9 and 15 are between

0V and 1.0V while measuring a saturation and pulse rate.

Battery Test:

1. Fully charge the Radical-7 by placing the Handheld into the Docking Station and connecting

the AC power.

2. Verify that the green Handheld Battery Indicator LED is illuminated.

3. When the Radical-7 is fully charged the green Handheld Battery Indicator turns off.

4. Turn the Radical-7 on and verify that the Battery indicator shows a full charge.

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Masimo Radical Signal Extraction Manuale dell'Operatore Pagina 110